org.boon.core.value.NumberValue Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of boon Show documentation
Show all versions of boon Show documentation
Simple opinionated Java for the novice to expert level Java Programmer.
Low Ceremony. High Productivity. A real boon to Java to developers!
/*
* Copyright 2013-2014 Richard M. Hightower
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* __________ _____ __ .__
* \______ \ ____ ____ ____ /\ / \ _____ | | _|__| ____ ____
* | | _// _ \ / _ \ / \ \/ / \ / \\__ \ | |/ / |/ \ / ___\
* | | ( <_> | <_> ) | \ /\ / Y \/ __ \| <| | | \/ /_/ >
* |______ /\____/ \____/|___| / \/ \____|__ (____ /__|_ \__|___| /\___ /
* \/ \/ \/ \/ \/ \//_____/
* ____. ___________ _____ ______________.___.
* | |____ ___ _______ \_ _____/ / _ \ / _____/\__ | |
* | \__ \\ \/ /\__ \ | __)_ / /_\ \ \_____ \ / | |
* /\__| |/ __ \\ / / __ \_ | \/ | \/ \ \____ |
* \________(____ /\_/ (____ / /_______ /\____|__ /_______ / / ______|
* \/ \/ \/ \/ \/ \/
*/
package org.boon.core.value;
import org.boon.Exceptions;
import org.boon.core.Conversions;
import org.boon.core.Dates;
import org.boon.core.Type;
import org.boon.core.Value;
import org.boon.core.reflection.FastStringUtils;
import org.boon.primitive.CharBuf;
import org.boon.primitive.CharScanner;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Currency;
import java.util.Date;
import static org.boon.Boon.puts;
import static org.boon.Exceptions.die;
import static org.boon.primitive.CharScanner.*;
public class NumberValue extends Number implements Value {
private char[] buffer;
private boolean chopped;
private int startIndex;
private int endIndex;
private Type type;
private Object value;
public NumberValue( Type type ) {
this.type = type;
}
public NumberValue() {
}
public NumberValue( boolean chop, Type type, int startIndex, int endIndex, char[] buffer ) {
this.type = type;
try {
if ( chop ) {
this.buffer = Arrays.copyOfRange ( buffer, startIndex, endIndex );
this.startIndex = 0;
this.endIndex = this.buffer.length;
chopped = true;
} else {
this.startIndex = startIndex;
this.endIndex = endIndex;
this.buffer = buffer;
}
} catch ( Exception ex ) {
puts ( "exception", ex, "start", startIndex, "end", endIndex );
Exceptions.handle ( ex );
}
}
public String toString () {
if ( startIndex == 0 && endIndex == buffer.length ) {
return FastStringUtils.noCopyStringFromCharsNoCheck( buffer );
} else {
return new String ( buffer, startIndex, ( endIndex - startIndex ) );
}
}
@Override
public final Object toValue () {
return value != null ? value : (value = doToValue ()) ;
}
@Override
public T toEnum( Class cls ) {
return Conversions.toEnum( cls, intValue() );
}
@Override
public boolean isContainer() {
return false;
}
private final Object doToValue () {
switch ( type ) {
case DOUBLE:
return doubleValue ();
case INTEGER:
if ( isInteger ( buffer, startIndex, endIndex - startIndex ) ) {
return intValue ();
} else {
return longValue ();
}
}
die ();
return null;
}
@Override
public boolean equals ( Object o ) {
if ( this == o ) return true;
if ( !( o instanceof Value ) ) return false;
NumberValue value1 = ( NumberValue ) o;
if ( endIndex != value1.endIndex ) return false;
if ( startIndex != value1.startIndex ) return false;
if ( !Arrays.equals ( buffer, value1.buffer ) ) return false;
if ( type != value1.type ) return false;
if ( value != null ? !value.equals ( value1.value ) : value1.value != null ) return false;
return true;
}
@Override
public int hashCode () {
int result = type != null ? type.hashCode () : 0;
result = 31 * result + ( buffer != null ? Arrays.hashCode ( buffer ) : 0 );
result = 31 * result + startIndex;
result = 31 * result + endIndex;
result = 31 * result + ( value != null ? value.hashCode () : 0 );
return result;
}
public BigDecimal bigDecimalValue () {
return new BigDecimal ( buffer, startIndex, endIndex - startIndex );
}
@Override
public BigInteger bigIntegerValue() {
return new BigInteger ( toString () );
}
public String stringValue () {
return toString ();
}
@Override
public String stringValue(CharBuf charBuf) {
return toString();
}
@Override
public String stringValueEncoded () {
return toString ();
}
@Override
public Date dateValue () {
return new Date ( Dates.utc ( longValue () ) );
}
@Override
public int intValue () {
if ( isInteger ( buffer, startIndex, endIndex - startIndex ) ){
return parseIntFromTo ( buffer, startIndex, endIndex );
} else {
return 0;
}
}
@Override
public long longValue () {
if ( isInteger ( buffer, startIndex, endIndex - startIndex ) ){
return parseIntFromTo( buffer, startIndex, endIndex );
} else if( isLong( buffer, startIndex, endIndex - startIndex)){
return parseLongFromTo( buffer, startIndex, endIndex );
} else {
return 0L;
}
}
public byte byteValue () {
return ( byte ) intValue ();
}
public short shortValue () {
return ( short ) intValue ();
}
@Override
public double doubleValue () {
return CharScanner.parseDouble( this.buffer, startIndex, endIndex );
}
@Override
public boolean booleanValue() {
return Boolean.parseBoolean ( toString () );
}
@Override
public float floatValue () {
return CharScanner.parseFloat( this.buffer, startIndex, endIndex );
}
@Override
public Currency currencyValue () {
return Currency.getInstance( toString() );
}
public final void chop () {
if ( !chopped ) {
this.chopped = true;
this.buffer = Arrays.copyOfRange ( buffer, startIndex, endIndex );
this.startIndex = 0;
this.endIndex = this.buffer.length;
}
}
@Override
public char charValue () {
return buffer[startIndex];
}
@Override
public Type type() {
return Type.NUMBER;
}
}